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30752 (1981 EQ33)
Classification: Main-belt Asteroid          SPK-ID: 2030752
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332397069584283 3.9718e-08  
a 2.388777539785638 9.1059e-09 au
q 2.070497520395724 9.2464e-08 au
i 5.194823647348691 4.0192e-06 deg
node 294.5600164855207 3.8885e-05 deg
peri 2.910804799706133 4.1197e-05 deg
M 223.7778478591995 1.4101e-05 deg
tp 2459906.778445589496
(2022-Nov-23.27844559)
5.3996e-05 TDB
period 1348.534269392135
3.69
7.7108e-06
2.111e-08
d
yr
n .2669565083891219 1.5264e-09 deg/d
Q 2.707057559175552 1.0319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      22081 days (60.45 yr)  
   first obs. used      1960-10-22  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:58  

Additional Information
 Earth MOID = 1.05421 au 
 Jupiter MOID = 2.47735 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457316.5 (2015-Oct-21.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338132607109438 3.964e-08  
q 2.068823801717494 9.2336e-08 au
tp 2457210.905125820199
(2015-Jul-07.40512582)
4.9303e-05 TDB
node 294.6235425769072 3.8909e-05 deg
peri 3.03463542773588 4.121e-05 deg
i 5.193397205165126 4.0186e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      22081 days (60.45 yr)  
   first obs. used      1960-10-22  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:58  

Additional Information
 Jupiter MOID = 2.47735 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.571303019694076E-15 -3.648444034896838E-15 4.938450651733273E-13 -5.221311890719706E-15 1.061080200394414E-13 -1.264116276476365E-15
q -3.648444034896838E-15 8.525941677707251E-15 -1.122524246038096E-12 1.218579792247727E-14 -2.404913037271457E-13 2.982973583386193E-15
tp 4.938450651733273E-13 -1.122524246038096E-12 2.430786410063587E-9 -1.754575761147582E-12 6.791125275710423E-10 -2.095610199934437E-12
node -5.221311890719706E-15 1.218579792247727E-14 -1.754575761147582E-12 1.51394401989073E-9 -1.507710888766778E-9 3.343670723186091E-11
peri 1.061080200394414E-13 -2.404913037271457E-13 6.791125275710423E-10 -1.507710888766778E-9 1.698289532120027E-9 -3.388976288575804E-11
i -1.264116276476365E-15 2.982973583386193E-15 -2.095610199934437E-12 3.343670723186091E-11 -3.388976288575804E-11 1.614943507973907E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.69   n/a MPCxxxxx  

30752 (1981 EQ33)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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